Home / 1,438,720.81-1,985,434.91-794,141.13

Finding the Fourth Proportional to 1,438,720.81, 1,985,434.91 and 794,141.13

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Solution

The fourth proportional to 1,438,720.81, 1,985,434.91 and 794,141.13 is: 1,095,914.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,720.81 : 1,985,434.91 = 794,141.13 : x
  2. Step 2: Convert to fraction form
    1,438,720.81/1,985,434.91 = 794,141.13/x
  3. Step 3: Cross multiply
    1,438,720.81x = 1,985,434.91 × 794,141.13
  4. Step 4: Simplify right side
    1,438,720.81x = 1,576,715,529,421.55
  5. Step 5: Solve for x
    x = 1,576,715,529,421.55/1,438,720.81
  6. Step 6: Final answer
    x = 1,095,914.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.